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ip: ip6_preflen_to_mask incorrect result for prefix len > 64
20/21520/2
author
Andrew Yourtchenko
<ayourtch@gmail.com>
Mon, 26 Aug 2019 12:58:48 +0000
(12:58 +0000)
committer
Florin Coras
<florin.coras@gmail.com>
Mon, 26 Aug 2019 14:26:07 +0000
(14:26 +0000)
The as_u64[0] in the result was not correctly filled in for
longer prefix lengths.
Type: fix
Fixes:
1c7104514c
Change-Id: I871772c618475396d1c1c4c699ff77e35097f07e
Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
src/vnet/ip/ip.c
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diff --git
a/src/vnet/ip/ip.c
b/src/vnet/ip/ip.c
index
133767b
..
c5b43d4
100644
(file)
--- a/
src/vnet/ip/ip.c
+++ b/
src/vnet/ip/ip.c
@@
-235,6
+235,7
@@
ip6_preflen_to_mask (u8 pref_len, ip6_address_t * mask)
}
else
{
+ mask->as_u64[0] = 0xffffffffffffffffL;
mask->as_u64[1] =
clib_host_to_net_u64 (0xffffffffffffffffL << (128 - pref_len));
}